<template>
    <div id="app" name="app">
        <el-container>
            <!-- 顶部导航栏 -->
            <div class="topbar">
                <div class="nav">
                    <ul>
                        <!--<li>
                            <el-button type="text" @click="login">登录</el-button>
                            <span class="sep">|</span>
                            <el-button type="text" @click="registerClick">注册</el-button>
                        </li>-->
                        <li v-if="!getUser">
                            <el-button type="text" @click="login">登录</el-button>
                            <span class="sep">|</span>
                            <el-button type="text" @click="registerClick">注册</el-button>
                        </li>
                        <li v-else>
                            欢迎
                            <el-popover placement="top" width="180" v-model="visible">
                                <p>确定退出登录吗？</p>
                                <div style="text-align: right; margin: 10px 0 0">
                                    <el-button size="mini" type="text" @click="visible = false">取消</el-button>
                                    <el-button type="primary" size="mini" @click="logout">确定</el-button>
                                </div>
                                <el-button type="text" slot="reference">{{getUser.userName}}</el-button>
                            </el-popover>
                        </li>
                        <li>
                            <router-link to="/orders">我的订单</router-link>
                        </li>
                        <li>
                            <router-link to="/collect">我的收藏</router-link>
                        </li>
                        <!--<li>
                            <router-link to="/shoppingCart">
                                <i class="el-icon-shopping-cart-full"></i> 购物车
                            </router-link>
                        </li>-->
                        <li :class="getNum > 0 ? 'shopCart-full' : 'shopCart'">
                            <router-link to="/shoppingCart">
                                <i class="el-icon-shopping-cart-full"></i> 购物车
                                <span class="num">({{getNum}})</span>
                            </router-link>
                        </li>
                    </ul>
                </div>
            </div>
            <!-- 顶部导航栏END -->

            <!-- 顶栏容器 -->
            <el-header>
                <el-menu
                        :default-active="$route.path"
                        class="el-menu-demo"
                        mode="horizontal"
                        active-text-color="#409eff"
                        router
                >
                    <div class="logo">
                        <router-link to="/">
                            <img src="./assets/imgs/logo.png" alt />
                        </router-link>
                    </div>
                    <el-menu-item index="/">首页</el-menu-item>
                    <el-menu-item index="/goods">全部商品</el-menu-item>
                    <el-menu-item index="/about">关于我们</el-menu-item>

                    <div class="so">
                        <el-input placeholder="请输入搜索内容" v-model="search">
                            <el-button slot="append" icon="el-icon-search" @click="searchClick"></el-button>
                        </el-input>
                    </div>
                </el-menu>
            </el-header>
            <!-- 顶栏容器END -->

            <!-- 登录模块 -->
            <!-- 注册模块 -->
            <!-- 主要区域容器 -->
            <el-main>
                <keep-alive>
                    <router-view></router-view>
                </keep-alive>
            </el-main>
            <!-- 主要区域容器END -->

            <!-- 底栏容器 -->
            <el-footer>
                <div class="footer">
                    <div class="ng-promise-box">
                        <div class="ng-promise">
                            <p class="text">
                                <a class="icon1" href="javascript:;">7天无理由退换货</a>
                                <a class="icon2" href="javascript:;">满99元全场免邮</a>
                                <a class="icon3" style="margin-right: 0" href="javascript:;">100%品质保证</a>
                            </p>
                        </div>
                    </div>
                    <div class="github">
                        <a href="javascript:void 0" target="_blank">
                            <div class="github-but"></div>
                        </a>
                    </div>
                    <div class="mod_help">
                        <p>
                            <router-link to="/">首页</router-link>
                            <span>|</span>
                            <router-link to="/goods">全部商品</router-link>
                            <span>|</span>
                            <router-link to="/about">关于我们</router-link>
                        </p>
                        <p class="coty">商城版权所有 &copy; 2012-2021</p>
                    </div>
                </div>
            </el-footer>
            <!-- 底栏容器END -->
        </el-container>
        <my-register ref="register"></my-register>
        <my-login></my-login>
    </div>
</template>

<script>
    import MyRegister from "./components/MyRegister.vue"
    import shoppingCartApi from "./api/shoppingCartApi"
    import { mapActions, mapGetters } from "vuex";
    export default {
        created(){
            console.log("获取cookie-->", window.localStorage)
//            console.log("获取cookie-->", document.cookie);
//            document.cookie = "testCookie=12345"
            let userInfo = window.localStorage.getItem("user");
            if(userInfo){
                //数据回显
                this.setUser(JSON.parse(userInfo))
                //获取购物车信息
                /*this.$axios.post("/获取购物车信息").then((res)=>{
                    if(res.data.code !== "001"){//可能cookie过期
                        alert(res.data.msg)
                        this.logout()//
                    }
                })*/

            }


        },
        beforeUpdate(){
//            什么时候触发
//            this.activeIndex = this.$route.path
        },
        components:{
            MyRegister
        },
        data() {
            return {
                visible: false,
                activeIndex: "/",
                search: "", // 搜索条件
                getNum: 0
            };
        },
        computed: {
            ...mapGetters(["getUser","getShowLogin"])
        },
        watch: {
            async getUser(value){
                if(value){
                    let {data:res} = await shoppingCartApi.getShoppingCart({
                        user_id: value.user_id
                    });
                    if(res.code !== "001"){//可能cookie过期
                        // 清空本地登录信息
                        window.localStorage.clear();
                        // 清空vuex登录信息
                        this.setUser("");
                        return
                    }
                    this.getNum = res.shoppingCartData.length
                }
            }
        },
        methods: {
            ...mapActions(["setUser", "setShowLogin", "setShoppingCart"]),
            login() {
                // 点击登录按钮, 通过更改vuex的showLogin值显示登录组件
                this.setShowLogin(true);
            },
            // 退出登录
            logout() {
                this.visible = false;
                // 清空本地登录信息
                window.localStorage.clear();
                // 清空vuex登录信息
                this.setUser("");
                this.$successNotify("成功退出登录");

                this.$router.push("/");
            },
            // 点击搜索按钮
            searchClick() {
//                this.search 当前搜索的内容
                this.$router.push({path:'/goods',query:{search:this.search}});
                this.search = "";
            },
            // 点击注册按钮
            registerClick() {
                console.log(this.$refs.register);
                this.$refs.register.showRegister()
            }
        }
    };
</script>

<style>
    /* 全局CSS */
    * {
        padding: 0;
        margin: 0;
        border: 0;
        list-style: none;
    }
    #app .el-header {
        padding: 0;
    }
    #app .el-main {
        min-height: 300px;
        padding: 20px 0;
    }
    #app .el-footer {
        padding: 0;
    }
    a,
    a:hover {
        text-decoration: none;
    }
    /* 全局CSS END */

    /* 顶部导航栏CSS */
    .topbar {
        height: 40px;
        background-color: #3d3d3d;
        margin-bottom: 20px;
    }
    .topbar .nav {
        width: 1225px;
        margin: 0 auto;
    }
    .topbar .nav ul {
        float: right;
    }
    .topbar .nav li {
        float: left;
        height: 40px;
        color: #b0b0b0;
        font-size: 14px;
        text-align: center;
        line-height: 40px;
        margin-left: 20px;
    }
    .topbar .nav .sep {
        color: #b0b0b0;
        font-size: 12px;
        margin: 0 5px;
    }
    .topbar .nav li .el-button {
        color: #b0b0b0;
    }
    .topbar .nav .el-button:hover {
        color: #fff;
    }
    .topbar .nav li a {
        color: #b0b0b0;
    }
    .topbar .nav a:hover {
        color: #fff;
    }
    .topbar .nav .shopCart {
        width: 120px;
        background: #424242;
    }
    .topbar .nav .shopCart:hover {
        background: #fff;
    }
    .topbar .nav .shopCart:hover a {
        color: #ff6700;
    }
    .topbar .nav .shopCart-full {
        width: 120px;
        background: #ff6700;
    }
    .topbar .nav .shopCart-full a {
        color: white;
    }
    /* 顶部导航栏CSS END */

    /* 顶栏容器CSS */
    .el-header .el-menu {
        max-width: 1225px;
        margin: 0 auto;
    }
    .el-header .logo {
        height: 60px;
        width: 189px;
        float: left;
        margin-right: 100px;
    }
    .el-header .so {
        margin-top: 10px;
        width: 300px;
        float: right;
    }
    /* 顶栏容器CSS END */

    /* 底栏容器CSS */
    .footer {
        width: 100%;
        text-align: center;
        background: #2f2f2f;
        padding-bottom: 20px;
    }
    .footer .ng-promise-box {
        border-bottom: 1px solid #3d3d3d;
        line-height: 145px;
    }
    .footer .ng-promise-box {
        margin: 0 auto;
        border-bottom: 1px solid #3d3d3d;
        line-height: 145px;
    }
    .footer .ng-promise-box .ng-promise p a {
        color: #fff;
        font-size: 20px;
        margin-right: 210px;
        padding-left: 44px;
        height: 40px;
        display: inline-block;
        line-height: 40px;
        text-decoration: none;
        background: url("./assets/imgs/us-icon.png") no-repeat left 0;
    }
    .footer .github {
        height: 50px;
        line-height: 50px;
        margin-top: 20px;
    }
    .footer .github .github-but {
        width: 50px;
        height: 50px;
        margin: 0 auto;
        background: url("./assets/imgs/github.png") no-repeat;
    }
    .footer .mod_help {
        text-align: center;
        color: #888888;
    }
    .footer .mod_help p {
        margin: 20px 0 16px 0;
    }

    .footer .mod_help p a {
        color: #888888;
        text-decoration: none;
    }
    .footer .mod_help p a:hover {
        color: #fff;
    }
    .footer .mod_help p span {
        padding: 0 22px;
    }
    /* 底栏容器CSS END */
</style>